| Acronym | Meaning |
 | SPL | System Programming Language |
 | MMDB | Master Measurement Data Base |
 | T | LSCP Telescope |
 | H | AlH AlHazardous (Task Classification) |
 | GVA | GOX Vent Arm |
 | HUD | Head Up Display |
 | PMN | Program Management Network |
 | OST | Operations Support Team (GSFC) |
 | CEC | Control Encoder Coupler |
 | ERRC | Expendability/Recoverability/Repair Capability |